123821-11-4 2-Furanpropanal, beta,5-dimethyl- 2-Furanpropanal, beta5-dimethyl- 2-Furanpropionaldehyde, beta5-dimethyl- 3-(5-Methyl-2-furyl)butanal 3-(5-Methyl-2-furyl)butyraldehyde 31704-80-0 EINECS 250-771-4 FEMA No. 3307 beta,5-Dimethylfuran-2-propionaldehyde beta5-Dimethyl-2-furanpropanal beta5-Dimethyl-2-furanpropionaldehyde